287331374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{5333}}^1$

素因数の和:5456

約数の個数: 32

約数和(自身を含む): 491581440

約数和(自身を除く): 204250066

約数列:

[1, 2, 11, 22, 31, 62, 79, 158, 341, 682, 869, 1738, 2449, 4898, 5333, 10666, 26939, 53878, 58663, 117326, 165323, 330646, 421307, 842614, 1818553, 3637106, 4634377, 9268754, 13060517, 26121034, 143665687, 287331374]

約数ペア:

[(1, 287331374), (2, 143665687), (11, 26121034), (22, 13060517), (31, 9268754), (62, 4634377), (79, 3637106), (158, 1818553), (341, 842614), (682, 421307), (869, 330646), (1738, 165323), (2449, 117326), (4898, 58663), (5333, 53878), (10666, 26939)]